#317EB3#317EB3

#317EB3 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.111 H 242.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#317EB3
RGB	rgb(49, 126, 179)
HSL	hsl(204, 57%, 45%)
HSV	hsv(204, 73%, 70%)
CMYK	cmyk(72.6%, 29.6%, 0%, 29.8%)
CIE-LAB	lab(50.48, -5.63, -34.77)
CIE-LCH	lch(50.48, 35.22, 260.80°)
OKLab	oklab(57.01% -0.0511 -0.0983)
OKLCH	oklch(57.01% 0.111 242.5)
XYZ	xyz(16.8610, 18.8274, 45.3845)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317EB3 #B36631

analogous

#31B3A7 #317EB3 #313DB3

triadic

#317EB3 #B3317E #7EB331

tetradic

#317EB3 #A731B3 #B36631 #3DB331

square

#317EB3 #A731B3 #B36631 #3DB331

split-complementary

#317EB3 #B3313D #B3A731

monochromatic

#173A53 #245C83 #317EB3 #529CD0 #82B8DD

Accessibility & contrast

On white

4.41

#317EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#317EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317EB3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317EB3	#FFFFFF	#000000	##000000
##317EB3	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB5

Deuteranopia (green-blind)

#5473B2

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317eb3;
/* rgb */ color: rgb(49, 126, 179);
/* oklch */ color: oklch(57.0% 0.111 242.5);

Tailwind

colors: {
  custom: {
    50: '#7aa3ca',
    500: '#317eb3',
    950: '#000000',
  },
}

SCSS

$custom: #317eb3;
$custom-light: #7aa3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317eb3",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 179
  },
  "hsl": {
    "h": 204.462,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57013,
    "c": 0.11081,
    "h": 242.5
  },
  "luminance": 0.18829
}

Semantic roles & 50–950 ramp

primary

#317EB3

secondary

#C6997A

accent

#8648E0

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #317EB3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →